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Features, Description, Reviews, Q&A
Premium Transmission Cooling. The Mishimoto Transmission Cooler delivers essential cooling performance to protect your transmission from heat buildup. It optimizes transmission fluid temperature to improve longevity and reliability, making it ideal for heavy-duty towing, fleet use, or spirited driving.
Durable And Efficient Build. Constructed with stacked-plate design for enhanced strength and effective heat dissipation, this cooler features CNC-machined adapters for precise, leak-free connections. The silver finish offers corrosion resistance and complements engine bays.
Effortless Installation. This direct-fit cooler requires no drilling and uses stock-style quick-disconnect fittings with included hoses and mounting hardware, making installation straightforward for most users.
Lifetime Warranty. This product is backed by a lifetime warranty for long-term peace of mind.
Application. Engineered specifically for 2003-2005 6.6L Duramax Sierra 3500 HD with Allison transmissions equipped with purple quick-connect clips; early 2003 trucks with orange clips require a different model.
Mishimoto MMTC-DMAX-03SL
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov